1255131625087 has 2 divisors, whose sum is σ = 1255131625088. Its totient is φ = 1255131625086.

The previous prime is 1255131624997. The next prime is 1255131625091. The reversal of 1255131625087 is 7805261315521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255131625087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255131625487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627565812543 + 627565812544.

It is an arithmetic number, because the mean of its divisors is an integer number (627565812544).

Almost surely, 2^{1255131625087} is an apocalyptic number.

1255131625087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255131625087 is an equidigital number, since it uses as much as digits as its factorization.

1255131625087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 1255131625087 in words is "one trillion, two hundred fifty-five billion, one hundred thirty-one million, six hundred twenty-five thousand, eighty-seven".